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Finding the Fourth Proportional to 18,452.73, 25,468.25 and 11,557.09

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Solution

The fourth proportional to 18,452.73, 25,468.25 and 11,557.09 is: 15,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.73 : 25,468.25 = 11,557.09 : x
  2. Step 2: Convert to fraction form
    18,452.73/25,468.25 = 11,557.09/x
  3. Step 3: Cross multiply
    18,452.73x = 25,468.25 × 11,557.09
  4. Step 4: Simplify right side
    18,452.73x = 294,338,857.39
  5. Step 5: Solve for x
    x = 294,338,857.39/18,452.73
  6. Step 6: Final answer
    x = 15,950.97

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.